diff --git a/packages/putty.xml b/packages/putty.xml
index 55029e9..5cd1c19 100755
--- a/packages/putty.xml
+++ b/packages/putty.xml
@@ -10,7 +10,7 @@
         <variable architecture="x86" name="INSTALL_PATH" value="%PROGRAMFILES%\PuTTY" />
         <variable architecture="x64" name="INSTALL_PATH" value="%PROGRAMFILES(x86)%\PuTTY" />
  
-        <check type="uninstall" condition="exists" path="PuTTY version %PKG_VERSION%" />
+        <check type="uninstall" condition="versiongreaterorequal" path="PuTTY release %PKG_VERSION%" value="%PKG_VERSION%"/>
  
         <install cmd='%SOFTWARE%\putty\putty-%PKG_VERSION%-installer.exe /sp- /verysilent' />